Pith Number

pith:QMD5NODC

pith:2020:QMD5NODCPRIBZAN2ZOFBZNAQZM

not attested not anchored not stored refs pending

MNN: A Universal and Efficient Inference Engine

Bin Zou, Chengfei Lv, Huan Wang, Lichuan Wang, Tianhang Yu, Xiaotang Jiang, Yafeng Yang, Yiliu Chen, Yu Cai, Zhihua Wu, Ziqi Wu, Zongyang Cui

arxiv:2002.12418 v1 · 2020-02-27 · cs.CV · cs.DC · cs.LG

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QMD5NODCPRIBZAN2ZOFBZNAQZM}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-07-05T00:44:29.819322Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8307d6b8627c501c81bacb8a1cb410cb22240201d8f6d0e3dd20bcd3bc9ee31c

Aliases

arxiv: 2002.12418 · arxiv_version: 2002.12418v1 · doi: 10.48550/arxiv.2002.12418 · pith_short_12: QMD5NODCPRIB · pith_short_16: QMD5NODCPRIBZAN2 · pith_short_8: QMD5NODC

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/QMD5NODCPRIBZAN2ZOFBZNAQZM \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 8307d6b8627c501c81bacb8a1cb410cb22240201d8f6d0e3dd20bcd3bc9ee31c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "24bc0acdb0244719eb800953a20d23ebabe99f73858eaf26316bc6dd9e082edc",
    "cross_cats_sorted": [
      "cs.DC",
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2020-02-27T20:03:16Z",
    "title_canon_sha256": "332e9fd09300edece5e166e151a8837fefd6bedde03b16801e360ea5e1e45170"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2002.12418",
    "kind": "arxiv",
    "version": 1
  }
}